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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @file |
| 5 | * Place action: create new place (insert PLACE in central DB, create per-place database). |
| 6 | */ |
| 7 | |
| 8 | declare(strict_types=1); |
| 9 | |
| 10 | /** |
| 11 | * Action callable: create a new place (insert PLACE in central DB with status PA, create place database). |
| 12 | * |
| 13 | * Phases: |
| 14 | * 1. DML: INSERT PLACE under `$conx->global->transactional()` (Galera certification retry). |
| 15 | * 2. DDL: CREATE DATABASE on the batch server connection (no DML TX open) + presence check. |
| 16 | * 3. Deploy `p_schema.json` on the new tenant DB. |
| 17 | * 4. On mid-flight failure after the INSERT committed: DROP DATABASE + DELETE PLACE (compensations). |
| 18 | * |
| 19 | * Requires valid session (device + session). Only status, user and optionally _uuid are set; the client completes data via sync (UPDATE). |
| 20 | * Helpers stay inside this closure so the action file can be `require`d more than once in the same |
| 21 | * process (PlaceService cache + unit tests) without "Cannot redeclare" on a top-level function. |
| 22 | * |
| 23 | * @param string $body JSON body; only _uuid is used if present. |
| 24 | * @param array<string, mixed> $query Query params: device, session. |
| 25 | * @param \ConxHelper $conx Connection helper. |
| 26 | * @param \Psr\Log\LoggerInterface $logger Logger. |
| 27 | * @param \UppServices\SessionService $sessionService Session service for check. |
| 28 | * @return array{output: string, contentType: string} |
| 29 | */ |
| 30 | return function (string $body, array $query, \ConxHelper $conx, \Psr\Log\LoggerInterface $logger, \UppServices\SessionService $sessionService): array { |
| 31 | /** |
| 32 | * Drop a place database (compensation after failed schema deploy or mid-flight failure). |
| 33 | * |
| 34 | * @param string $database Database name (e.g. P00000001). |
| 35 | * @param \ConxHelper $conx Connection helper (uses ->server for DROP DATABASE). |
| 36 | */ |
| 37 | $dropDatabase = static function (string $database, \ConxHelper $conx): void { |
| 38 | $conx_server = $conx->server; |
| 39 | if ($conx_server === null) { |
| 40 | return; |
| 41 | } |
| 42 | $dbname = '`'.str_replace('`', '``', $database).'`'; |
| 43 | $results = []; |
| 44 | $conx_server->runsql([], 'DROP DATABASE IF EXISTS '.$dbname, $results); |
| 45 | }; |
| 46 | |
| 47 | /** |
| 48 | * Confirm the place database exists on the batch server connection (Galera TOI CREATE is |
| 49 | * cluster-wide when mysqli returns OK; this check asserts local visibility). |
| 50 | * |
| 51 | * @param string $database Database name (e.g. P00000001). |
| 52 | * @param \ConxHelper $conx Connection helper (uses ->server). |
| 53 | */ |
| 54 | $databaseExists = static function (string $database, \ConxHelper $conx): bool { |
| 55 | $conx_server = $conx->server; |
| 56 | if ($conx_server === null) { |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | $mysqli = $conx_server->mysqli ?? null; |
| 61 | if ($mysqli === null) { |
| 62 | return false; |
| 63 | } |
| 64 | |
| 65 | $escaped = mysqli_real_escape_string($mysqli, $database); |
| 66 | $results = []; |
| 67 | |
| 68 | $ok = $conx_server->runsql( |
| 69 | [], |
| 70 | "SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '".$escaped."'", |
| 71 | $results |
| 72 | ); |
| 73 | |
| 74 | return $ok && is_array($results) && count($results) > 0; |
| 75 | }; |
| 76 | |
| 77 | /** |
| 78 | * Delete a PLACE row in central DB under transactional() (compensation after committed INSERT). |
| 79 | * |
| 80 | * @param int $objid PLACE.objid to delete. |
| 81 | * @param \ConxHelper $conx Connection helper (uses ->global). |
| 82 | */ |
| 83 | $deletePlace = static function (int $objid, \ConxHelper $conx, \Psr\Log\LoggerInterface $logger): bool { |
| 84 | if ($conx->global === null) { |
| 85 | $logger->error("PlaceService::create: compensation DELETE PLACE failed (no global connection) objid=".$objid."."); |
| 86 | return false; |
| 87 | } |
| 88 | |
| 89 | $iteminfo = ['objid' => $objid]; |
| 90 | |
| 91 | $ok = $conx->global->transactional(static function (\transaction $tx) use (&$iteminfo): bool { |
| 92 | return (bool) $tx->delete('PLACE', $iteminfo); |
| 93 | }); |
| 94 | |
| 95 | if (!$ok) { |
| 96 | $logger->error("PlaceService::create: compensation DELETE PLACE failed for objid=".$objid."."); |
| 97 | } |
| 98 | |
| 99 | return $ok; |
| 100 | }; |
| 101 | |
| 102 | /** |
| 103 | * Best-effort rollback of a mid-flight create after INSERT PLACE has already committed. |
| 104 | * |
| 105 | * @param string|null $placeDb Database name if CREATE may have run; null to skip DROP. |
| 106 | * @param int|null $objid PLACE.objid if INSERT committed; null to skip DELETE. |
| 107 | */ |
| 108 | $compensate = static function ( |
| 109 | ?string $placeDb, |
| 110 | ?int $objid, |
| 111 | \ConxHelper $conx, |
| 112 | \Psr\Log\LoggerInterface $logger |
| 113 | ) use ($dropDatabase, $deletePlace): void { |
| 114 | if ($placeDb !== null) { |
| 115 | $dropDatabase($placeDb, $conx); |
| 116 | } |
| 117 | |
| 118 | if ($objid !== null) { |
| 119 | $deletePlace($objid, $conx, $logger); |
| 120 | } |
| 121 | }; |
| 122 | |
| 123 | $retval = \ApplicationError::Success; |
| 124 | $placeData = null; |
| 125 | $objid = null; |
| 126 | $placeDb = null; |
| 127 | $placeInserted = false; |
| 128 | $pSchema = null; |
| 129 | $device = isset($query['device']) ? (string) $query['device'] : ''; |
| 130 | $session = isset($query['session']) ? (string) $query['session'] : ''; |
| 131 | $bodyData = $body !== '' ? (json_decode($body, true) ?? []) : []; |
| 132 | |
| 133 | if (\success($retval)) { |
| 134 | if ($device === '' || $session === '') { |
| 135 | $logger->error("PlaceService::create: missing device or session in query."); |
| 136 | $retval = \ApplicationError::Parameters; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | if (\success($retval)) { |
| 141 | if ($conx->global === null) { |
| 142 | $logger->error("PlaceService::create: failed to connect to central database."); |
| 143 | $retval = \ApplicationError::Database; |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | if (\success($retval)) { |
| 148 | $userid = null; |
| 149 | |
| 150 | $retval = $sessionService->checkSession($conx, $session, $device, $userid); |
| 151 | if (\success($retval)) { |
| 152 | $placeTenant = \AppConstants::tenantNode(); |
| 153 | $placeData = [ |
| 154 | 'status' => 'PA', |
| 155 | 'user' => (int) $userid, |
| 156 | 'tenant' => $placeTenant, |
| 157 | ]; |
| 158 | |
| 159 | if (isset($bodyData['_uuid']) && $bodyData['_uuid'] !== null && $bodyData['_uuid'] !== '') { |
| 160 | $placeData['_uuid'] = (string) $bodyData['_uuid']; |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | // Phase 1 — DML only (retryable on Galera certification conflict). |
| 166 | if (\success($retval)) { |
| 167 | $insertedObjid = null; |
| 168 | |
| 169 | $ok = $conx->global->transactional(static function (\transaction $tx) use ($placeData, &$insertedObjid): bool { |
| 170 | $objidRef = null; |
| 171 | |
| 172 | if (!$tx->insert('PLACE', $placeData, $objidRef)) { |
| 173 | return false; |
| 174 | } |
| 175 | |
| 176 | $insertedObjid = (int) $objidRef; |
| 177 | return true; |
| 178 | }); |
| 179 | |
| 180 | if (!$ok || $insertedObjid === null) { |
| 181 | $logger->error("PlaceService::create: failed to insert PLACE row."); |
| 182 | $retval = \ApplicationError::Database; |
| 183 | } |
| 184 | else { |
| 185 | $objid = $insertedObjid; |
| 186 | $placeInserted = true; |
| 187 | $placeDb = 'P'.\str_pad((string) $objid, 8, '0', STR_PAD_LEFT); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | // Phase 2 — DDL on batch server (no DML TX open). |
| 192 | if (\success($retval)) { |
| 193 | $batch_key = (string) $placeData['tenant']; |
| 194 | $batch_srv = $conx->getBatch($batch_key); |
| 195 | |
| 196 | if ($batch_srv === null) { |
| 197 | $logger->error("PlaceService::create: failed to connect for CREATE DATABASE (batch ".$batch_key.")."); |
| 198 | $retval = \ApplicationError::Database; |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | if (\success($retval)) { |
| 203 | if (!\create_ddbb_schema($conx->server, $placeDb)) { |
| 204 | $logger->error("PlaceService::create: failed to create database '".$placeDb."'."); |
| 205 | $retval = \ApplicationError::Database; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | if (\success($retval)) { |
| 210 | if (!$databaseExists($placeDb, $conx)) { |
| 211 | $logger->error("PlaceService::create: database '".$placeDb."' not visible after CREATE DATABASE."); |
| 212 | $retval = \ApplicationError::Database; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | // Phase 3 — deploy p_schema on the new tenant DB. |
| 217 | if (\success($retval)) { |
| 218 | $conx->tenant = $objid; |
| 219 | if ($conx->tenant === null) { |
| 220 | $logger->error("PlaceService::create: failed to connect to place database '".$placeDb."'."); |
| 221 | $retval = \ApplicationError::Database; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | if (\success($retval)) { |
| 226 | $pSchemaPath = __DIR__.'/../../Resources/model/p_schema.json'; |
| 227 | if (!\load_ddbb_schema_from($pSchemaPath, $pSchema)) { |
| 228 | $logger->error("PlaceService::create: failed to load place schema from JSON."); |
| 229 | $retval = \ApplicationError::Database; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | if (\success($retval)) { |
| 234 | if (!\update_ddbb_schema($conx->tenant, $pSchema)) { |
| 235 | $logger->error("PlaceService::create: failed to deploy schema to place database '".$placeDb."'."); |
| 236 | $retval = \ApplicationError::Database; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | // Phase 4 — compensations when INSERT already committed and a later phase failed. |
| 241 | if (!\success($retval) && $placeInserted) { |
| 242 | $compensate($placeDb, $objid, $conx, $logger); |
| 243 | } |
| 244 | |
| 245 | $result = [ |
| 246 | 'errorcode' => $retval, |
| 247 | 'objid' => \success($retval) ? $objid : null, |
| 248 | ]; |
| 249 | |
| 250 | return ['output' => json_encode($result), 'contentType' => 'application/json; charset=utf-8']; |
| 251 | }; |